Home / 3,015,072.76-4,160,959.86-1,708,578.40

Finding the Fourth Proportional to 3,015,072.76, 4,160,959.86 and 1,708,578.40

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Solution

The fourth proportional to 3,015,072.76, 4,160,959.86 and 1,708,578.40 is: 2,357,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,072.76 : 4,160,959.86 = 1,708,578.40 : x
  2. Step 2: Convert to fraction form
    3,015,072.76/4,160,959.86 = 1,708,578.40/x
  3. Step 3: Cross multiply
    3,015,072.76x = 4,160,959.86 × 1,708,578.40
  4. Step 4: Simplify right side
    3,015,072.76x = 7,109,326,140,063.02
  5. Step 5: Solve for x
    x = 7,109,326,140,063.02/3,015,072.76
  6. Step 6: Final answer
    x = 2,357,928.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.